201454889377

素因数分解:

$7^4\times {\mathrm{389}}^1\times {\mathrm{215693}}^1$

素因数の和:216110

約数の個数: 20

約数和(自身を含む): 235621968660

約数和(自身を除く): 34167079283

約数列:

[1, 7, 49, 343, 389, 2401, 2723, 19061, 133427, 215693, 933989, 1509851, 10568957, 73982699, 83904577, 517878893, 587332039, 4111324273, 28779269911, 201454889377]

約数ペア:

[(1, 201454889377), (7, 28779269911), (49, 4111324273), (343, 587332039), (389, 517878893), (2401, 83904577), (2723, 73982699), (19061, 10568957), (133427, 1509851), (215693, 933989)]